F118 engine qualified
A nut having one convex, spherical bearing surface, with 12 drive points, 24 sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 5975-00-573-7479
NSN 5920-01-022-2384
NSN 5965-00-133-3031
NSN 5975-00-797-3109
NSN 5950-00-269-9674
NSN 5835-01-580-0446
NSN 4140-01-196-0121
NSN 5990-01-032-5160
NSN 5985-01-394-1024
NSN 5975-00-077-9055
NSN 5996-01-029-6021
NSN 6645-01-356-1751